72861808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2809

約数の個数: 40

約数和(自身を含む): 150325200

約数和(自身を除く): 77463392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 2693, 3382, 5386, 6764, 10772, 13528, 21544, 27056, 43088, 51167, 102334, 204668, 239677, 409336, 479354, 818672, 958708, 1917416, 3834832, 4553863, 9107726, 18215452, 36430904, 72861808]

約数ペア:

[(1, 72861808), (2, 36430904), (4, 18215452), (8, 9107726), (16, 4553863), (19, 3834832), (38, 1917416), (76, 958708), (89, 818672), (152, 479354), (178, 409336), (304, 239677), (356, 204668), (712, 102334), (1424, 51167), (1691, 43088), (2693, 27056), (3382, 21544), (5386, 13528), (6764, 10772)]